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The STL file format is widely used across different 3D printing and modeling interfaces. For instance, many of the models you might find on Thingiverse.com are available in STL format, and several popular 3D printers accept STL files to prepare models for fabrication. This extension provides import/export functionality for STL files to and from SketchUp, so you can easily export SketchUp groups to STL, or import an STL design and manipulate it within SketchUp.

Once you install the extension, you’ll find two new options under the File menu:

Export STL: This function requires you to select one or more groups for export (so you’ll need to group your geometry before using this).

Import... (STL): With this plugin, you’ll find STL as a supported format within SketchUp’s Import command. STL files will be imported to SketchUp as a group.

Note: This extension was originally developed as separate plugins by Jim Foltz, Nathan Bromham, and Konrad Shroeder. Now, it’s in continual development as an open-source project on GitHub that’s hosted by the SketchUp team. Stay tuned for updates!

It worked well enough to make a STL but it is buggy. It wouldn't create usable code when I made a model in USA Inch pattern out of SketchUp Make 17 64 bit. It did work when I did a test drawing as metric. That was acceptable to the Cura 15.04.06 that comes with a Monoprice Mini 3D and produced a decent 3D print. Unfortunately that means I will have to re-do all the inch pattern drawings I was going to print in Metric and then figure out what I am going to do when it comes time to make the design up in metal on my inch pattern milling machine.

as this seems to be the only way to contact you, es I know you are closed from 23-26 November 2017, I do NOT need to be told on every single frelling page. given up looking for anything as it's just bloody annoying having to keep clicking that frelling close button on the SAME DAMN MESSAGE

I like this extension (depend on it even), but it gets annoying (well, all of sketchup does) with 3D printer-sized objects. The tiny polygons trip it up.

I wish Sketchup would reset it's numbering system for tiny objects and pretend things were 1000x bigger than they are, then, when exporting, know that it was scaled. I'm not going to be doing gaming miniatures and city planning in the same sketchup project!

To workaround it, sometimes I have to scale things up with another app like 3D Builder before importing them to sketchup. And the reverse after exporting.

I am a fan of this extension but I have one function when exporting that can be a caveat. When you export, I have to click around the object to make sure nothing is selected to make sure the file exports correctly. Maybe in the next version of the extension a pop-up can tell you if anything is selected before exporting.

Because this extension is not signed, Sketchup will prevent it loading if you have the extension loading policy set to anything but "unrestricted". The extension itself is not broken. If you need to use this, you will have to set the extension policy to unrestricted in the Extension Manager.

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- In method "self.main", replace "do_options" by "force_export".
- Push the edited file in the archive (rbz)
- Install/Re-install the plugin and restart sketchup
- You should be able to export to STL with the default options